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Seasonal Dynamics of Cattle Reproduction in the North |
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| Authors: | Borisenkov M F Kalinin A I Vakhnina N A |
| Institution: | (1) Institute of Physiology, Komi Scientific Center, Ural Division, Russian Academy of Sciences, ul. Pervomaiskaya 50, Syktyvkar, 167982, Russia |
| Abstract: | Russian Journal of Ecology - |
| Keywords: | North cow calving frequency conception frequency seasonal dynamics geomagnetic activity |
| 本文献已被 SpringerLink 等数据库收录！ | |